Bill Simpson, P.E.
Bill's specialties include earth structure design, analysis, and repair including retaining walls, reinforced slopes, land bridges, land slide stabilization, cast-in-place concrete, temporary and permanent shoring, sheet piles, and soldier piles. He has designed with geogrid, geosynthetics, geotextiles, earth anchors, tie-backs, soil nails, ground anchors, helical anchors, and dead-men. Bill is skilled in performing Slope stability analysis, feasibility and suitability analysis and process improvements.